Fix reading zero-length CFFIndex

veraPDF · Jan 6, 2025 · b2f69d3 · b2f69d3
1 parent 2ff785e
commit b2f69d3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/verapdf/pd/font/cff/CFFFileBaseParser.java b/src/main/java/org/verapdf/pd/font/cff/CFFFileBaseParser.java
@@ -84,7 +84,7 @@ protected CFFIndex readIndex() throws IOException {
             throw new IOException("Wrong index data offset");
         }
         byte[] data = new byte[offset[count] - 1];
-        if (source.read(data, data.length) != data.length) {
+        if (data.length != 0 && source.read(data, data.length) != data.length) {
             throw new IOException("End of stream is reached");
         }
         int offsetShift = 3 + offSize * (count + 1);